The southerly is the thing nobody plans for. Maroubra faces a long open beach with headlands at both ends and nothing to break the weather, so a ceremony on the grass above the sand or a party on a balcony above Marine Parade can go from pleasant to unworkable inside half an hour. Music stands blow over, a marquee becomes a sail, and an acoustic set simply disappears into the air.
None of that is about supply. The ten closest acts are pinned in central Sydney, a short run down Anzac Parade, and every one of them carries reviews from previous clients. What you are really deciding here is indoors or outdoors, and how honest your backup plan is.
Top picks are the nearby performers with the most visible reviews, then rating, then the closest; further afield the closest come first, and premium listings break remaining ties. Distances are straight-line from Maroubra. Ask each act whether they travel to your venue and what that costs.
Physically yes, practically it depends on the wind and the council's conditions for an organised event on the sand or the reserve above it. There is no power down there, so the act needs a battery speaker and a limit on how long it will last. Confirm both before you promise anyone a beachfront ceremony.
Small and self-contained is the only realistic answer: a soloist, an acoustic pair or a DJ with a modest rig. The blocks along the beach are close together and sound travels a long way over open ground, so the building's rules will set your finish time. Agree that hour with the act at enquiry stage rather than at eleven at night.
Rarely, since the whole nearest group is a few kilometres away and every one of them drives Anzac Parade regularly. Parking near the beach on a summer weekend is the cost that actually bites. Ask the venue or your building whether a bay can be held, because that is worth more to a performer than a fee.
Decide before the day exactly where the act moves to if the weather turns, and tell them what it is. A performer who has seen the fallback room can plan one setup instead of improvising two.
Sand and spray are genuinely hard on speakers, cables and instruments, and some acts will decline a spot right on the sand for that reason. Ask how close to the water they are willing to work.
The club and hall spaces along this coast often come with installed sound and someone who runs it. Check what is there first, because plugging in rather than hauling a rig can take a line off a quote.